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Discovered:
- November 12, 2012
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Updated:
- November 12, 2012 10:05:37 PM
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Type:
- Trojan, Worm
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Infection Length:
- 21,504 Bytes
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Systems Affected:
- Windows 2000, Windows 7, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Server 2008, Windows Vista, Windows XP
W32.Extrat is a worm that spreads by copying itself to removable drives and P2P networks. It also opens a back door and steals information from the compromised computer.
Antivirus Protection Dates
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Initial Rapid Release version November 12, 2012 revision 009
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Latest Rapid Release version June 17, 2013 revision 018
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Initial Daily Certified version November 12, 2012 revision 021
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Latest Daily Certified version June 17, 2013 revision 021
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Initial Weekly Certified release date November 14, 2012
Click for a more detailed description of Rapid Release and Daily Certified virus definitions.
Threat Assessment
Wild
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Wild Level: Low
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Number of Infections: 0 - 49
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Number of Sites: 0 - 2
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Geographical Distribution: Low
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Threat Containment: Easy
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Removal: Easy
Damage
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Damage Level: Medium
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Payload: Opens a back door.
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Releases Confidential Info: Steals information, records keystrokes, and accesses webcam.
Distribution
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Distribution Level: Medium
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Shared Drives: Spreads through removable drives and P2P networks.
Writeup By: Paul Mangan
